Wireless version :5.0 TWS connection distance: 8 meters wireless connection straight-line distance: 12 meters maximum power: 200w battery capacity: 20000mah playback time: 30h (50% volume) charging time: about 3.5 hours charging mode: type-c 5v/3a usb power supply: supports a maximum of 1a emergency current instrument input: support (6.5mm wired electronic instrument aux mode: support 3.5mm audio input jack remote control: support 433 remote control function wireless microphone: support uhf wireless microphone.